German SANKYO springs SANKYO models SANKYO prices

SANKYO springs are helical springs that withstand axial tensile forces. Extension springs are generally manufactured from round cross-section material. When not under load, the coils of an extension spring are usually tightly wound with no gap between them. Many different end fittings or "hooks" are used to provide the attachment points for the tensile force of extension springs. The working principle of extension springs is opposite to that of compression springs. Compression springs exert a reactive force when compressed, whereas extension springs exert a reactive force when extended or pulled apart. When the two ends of an extension spring are pulled apart, the spring attempts to pull them back together. Like compression springs, extension springs also absorb and store energy. However, unlike compression springs, most extension springs operate under a certain degree of initial tension, even when there is no external load. This initial tension determines how tightly the extension spring is coiled when there is no load.

SANKYO spring applications

Extension springs, also known as helical extension springs, generally have uniform pitch and a circular cross-section. They can be used in many occasions, such as production assembly, experiments, research and development, and maintenance. Extension springs occupy an important position in the global market and are widely used in fields such as national defense, marine, computer, electronics, automotive, mold, medical, biochemistry, aerospace, railway, nuclear power, wind power, thermal power, engineering machinery, mining machinery, construction machinery, and elevators.

SANKYO spring classification

1) Torsion springs are springs that withstand torsional deformation; their working part is also closely wound into a helical shape. The ends of torsion springs are processed into various shapes of torsion arms, rather than hooks or loops. Torsion springs utilize the lever principle, twisting or rotating elastic materials with high flexibility and toughness to store significant mechanical energy. 2) Extension springs are helical springs that withstand axial tensile forces. When not under load, the coils of an extension spring are usually tightly wound with no gap between them. 3) Compression springs are helical springs that withstand axial compressive forces. The material used typically has a circular cross-section, although rectangular sections and multi-strand steel cables are also used. Springs generally have uniform pitch. Shapes of compression springs include: cylindrical, conical, convex (barrel-shaped), concave (hourglass-shaped), and a small number of non-circular shapes. There is a certain gap between the coils of a compression spring. When subjected to an external load, the spring compresses and deforms, storing strain energy. 4) Progressive-rate springs: These springs adopt a design with inconsistent wire diameters and coil spacing. The advantage is that under low compression, the section with a lower spring rate absorbs road undulations, ensuring ride comfort. When the pressure increases to a certain level, the thicker section of the spring supports the vehicle body. The disadvantage of this type of spring is that the handling feel is less direct and precision is poorer. 5) Linear springs: Linear springs have uniform wire diameter and coil spacing from top to bottom, with a fixed spring rate. This spring design allows vehicles to achieve more stable and linear dynamic responses, facilitating better vehicle control by the driver. They are mostly used in performance-oriented modified cars and racing vehicles. The downside is that ride comfort is compromised. 6) Short springs: Short springs are shorter and sturdier than original equipment manufacturer (OEM) springs. Installing short springs can effectively lower the vehicle's center of gravity, reduce body roll during cornering, make cornering more stable and smooth, and improve cornering handling. However, OEM shock absorbers have damping settings biased towards comfort, so the combination of short springs and OEM shock absorbers is not very stable. They cannot effectively suppress the rebound and compression of short springs. When driving on bumpy roads, there will be an uncomfortable bouncing sensation. Over time, the service life of the shock absorbers will be significantly reduced, and oil leakage may occur. Of course, these conditions are relative; normal daily driving will not cause such severe damage. Nevertheless, aggressive driving should be avoided, as OEM shock absorbers cannot withstand high-load pressures.

SANKYO spring features and applications

Features: Compared to ordinary compression or extension springs, their spring force is very constant, outputting a nearly linear spring force. This ensures that the product does not change due to variations in spring force during use. In narrow and long spaces, space can be minimized as much as possible, increasing the possibility for aesthetic product design. Constant force spring applications: lifting fans, LCD monitors, sliding windows and doors, supermarket automatic checkout counters, motor carbon brush pressing devices, cables, stapler springs, power tools, car ashtrays, locomotive carbon brush accessories, medical instruments, mobile phone holders, etc.

Weidou Intelligent Technology professionally sells German SANKYO compression springs, SANKYO extension springs, SANKYO helical springs, SANKYO wave springs, SANKYO constant force springs, SANKYO torsion springs, SANKYO bending springs, SANKYO disc springs, SANKYO ring springs, SANKYO leaf springs, SANKYO torsion bar springs, SANKYO tension springs, SANKYO retaining rings, SANKYO tension springs, SANKYO die springs, SANKYO original imports from Germany. We welcome customers to inquire and order.